Two-dimensional MUSIC (multiple signal classification) direction-detecting device for uniform circular array
A technology of direction finding device and uniform circular array, which is applied in directions such as direction finders using electromagnetic waves, and can solve problems such as high computational complexity
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[0022] Such as figure 1 As shown, the device of the present invention is generally composed of an FPGA processing unit 101 and a DSP processing unit 102 . The core of the device is the DSP processing unit 102, which receives the covariance matrix containing the target orientation information from the FPGA processing unit 101. These covariance matrices are processed by the DSP processing unit 102 to obtain the orientation information of the target, and then the orientation information is transmitted to the FPGA processing unit 101 .
[0023] The function of the FPGA processing unit 101 is mainly composed of two parts: a, after filtering and denoising the signal received by the external antenna, calculate and generate a covariance matrix containing target orientation information; b, be responsible for storing the orientation information calculated by the DSP to the computer hard drive.
[0024] The DSP processing unit 102 is used to realize the two-dimensional MUSIC algorithm,...
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